Journal
ACS APPLIED NANO MATERIALS
Volume 2, Issue 5, Pages 3154-3160Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.9b00472
Keywords
poly(3,4-ethylenedioxythiophene); nanotubes; halloysites; in situ polymerization; templates; electrochromism
Funding
- National Natural Science Foundation of China [51003064, 61705152, 21876119]
- Sichuan Province Science and Technology Foundation [2017GZ0429, 2014JY0146]
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Conducting polymer nanotubes are indispensable materials for the development of electrochromic applications. However, tailorable and efficient production of conducting polymer nanotubes in a cost-effective manner has remained a daunting challenge. Here we develop a template-assisted strategy that employs the natural-abundance halloysite nanotubes as growth templates and can be used to produce poly(3,4-ethylenedioxythiophene) (PEDOT) nanotubes. The conformal growth of PEDOT would inherit the morphological features of the halloysites template, thereby endowing the obtained architectures with a tubular-like structure. Thus-derived PEDOT nanotubes with an excellent dispersion stability can be easily cast into a film. A systematic characterization confirms that a PEDOT nanotube film possesses superior electrochromic performance when compared with that of unmodified PEDOT.
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